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2127414521620 = 225106370726081
BaseRepresentation
bin11110111101010011110…
…010010110111100010100
321112101020011202012000101
4132331103302112330110
5234323421104142440
64305153140223444
7306462213032413
oct36752362267424
97471204665011
102127414521620
11750260043823
122a438299ab84
131257ca8ab92b
1474d7881747a
153a513d7d69a
hex1ef53c96f14

2127414521620 has 12 divisors (see below), whose sum is σ = 4467570495444. Its totient is φ = 850965808640.

The previous prime is 2127414521597. The next prime is 2127414521647. The reversal of 2127414521620 is 261254147212.

It can be written as a sum of positive squares in 2 ways, for example, as 973908449424 + 1153506072196 = 986868^2 + 1074014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2127414521620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53185363021 + ... + 53185363060.

It is an arithmetic number, because the mean of its divisors is an integer number (372297541287).

Almost surely, 22127414521620 is an apocalyptic number.

2127414521620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2127414521620 is an abundant number, since it is smaller than the sum of its proper divisors (2340155973824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2127414521620 is a wasteful number, since it uses less digits than its factorization.

2127414521620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106370726090 (or 106370726088 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 2127414521620 its reverse (261254147212), we get a palindrome (2388668668832).

The spelling of 2127414521620 in words is "two trillion, one hundred twenty-seven billion, four hundred fourteen million, five hundred twenty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 106370726081 212741452162 425482904324 531853630405 1063707260810 2127414521620